Is this a mallard?

Is this a mallard?

Observation - Is this a mallard? . Description: Saw this black and white duck with a male mallard. Is this a mallard as well? They were nesting together as well, but couldn't get a picture of that

Saw this black and white duck with a male mallard. Is this a mallard as well? They were nesting together as well, but couldn't get a picture of that